1. Professor, Mechanical and Civil Engineering, California Institute of Technology, 1200 E California Blvd., Pasadena, CA 91125 (corresponding author).
2. Professor, Graduate Aerospace Laboratories, California Institute of Technology, 1200 E California Blvd., Pasadena, CA 91125.
3. Professor, Dept. of Structural Engineering, Univ. of California, San Diego 9500 Gilman Dr., La Jolla, CA 92093.
4. Researcher, Graduate Aerospace Laboratories, California Institute of Technology, 1200 E California Blvd., Pasadena, CA 91125.
5. Graduate Student, Mechanical and Civil Engineering, California Institute of Technology, 1200 E California Blvd., Pasadena, CA 91125.
6. Graduate Student, Dept. of Structural Engineering, Univ. of California, San Diego 9500 Gilman Dr., La Jolla, CA 92093.
7. Postdoctoral Researcher, Pacific Earthquake Engineering Research Center, Univ. of California, Berkeley 1301 S. 46th St., Richmond, CA 94804-4698.
8. Chief Technology Officer, Energy Vault, Inc., 4360 Park Terrace Dr., Westlake Village, CA 91361.